This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Marking Machines, Laundry; Printing Machine, Labor, Printing Press, Label; Embossing Machines, Office Type; and Marking Machines, Office Type.
Marking machines which make permanent indentations in metal are classified in group 34.
Possible NAICS Codes
333248 – All Other Industrial Machinery Manufacturing
333517 – Machine Tool Manufacturing
541990 – All Other Professional, Scientific, and Technical Services
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
339940 – Office Supplies (except Paper) Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
323111 – Commercial Printing (except Screen and Books)
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance